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Finding the Fourth Proportional to 348,349.95, 480,767.40 and 205,123.32

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Solution

The fourth proportional to 348,349.95, 480,767.40 and 205,123.32 is: 283,096.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,349.95 : 480,767.40 = 205,123.32 : x
  2. Step 2: Convert to fraction form
    348,349.95/480,767.40 = 205,123.32/x
  3. Step 3: Cross multiply
    348,349.95x = 480,767.40 × 205,123.32
  4. Step 4: Simplify right side
    348,349.95x = 98,616,605,235.77
  5. Step 5: Solve for x
    x = 98,616,605,235.77/348,349.95
  6. Step 6: Final answer
    x = 283,096.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.